Aerial



FIG. 1 is a front view of the aerial showing our new design in a closed (lowered) position, the rear, left and right side views being identical save for the rotation of treads;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a front view thereof with the aerial in an open position, the rear, left and right side views being identical save for the rotation of treads. 

The ornamental design for an aerial, as shown and described. 